One thing I have always marveled at, is Srila Prabhupada’s use of words, to describe transcendental topics to us in his books. The word phantasmagoria is one such example. Here it is being used to describe the temporary beauty of this material world…

By the mercy of the Lord, the pure devotee knows all this very well. Indeed, his whole philosophy of life is based on this understanding. Advancement of knowledge means to understand the naked truth of this world and to not be deluded by the temporary beauty of this phantasmagoria. (Mukunda-mālā-stotra #3)

The following is a definition of the word phantasmagoria and the full text and purport from the Mukunda-mala-stotra Sutra #3 More